import request from '../../utils/request'
let startY = 0; //手指起始的坐标
let moveY = 0; //手指移动的坐标
let moveDistance = 0; //手指移动的距离
Page({

    /**
     * 页面的初始数据
     */
    data: {
        coverTransform: 'translateY(0)',
        coverTransition: '',
        userInfo: {},  //用户信息
        resentPlayList: [], //用户播放记录
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
        //读取用户基本信息
        let userInfo = wx.getStorageSync('userInfo')
        if (userInfo) {
            //更新userInfo状态
            this.setData({
                userInfo: JSON.parse(userInfo)
            })
            //获取用户播放记录
            this.getUserRecentPlayList(this.data.userInfo.userId)
        }
    },
    //获取用户播放记录的功能函数，发送Ajax请求
    async getUserRecentPlayList(userId) {
        let recentPlayListData = await request('/user/record', {uid: userId, type: 0})
        let index = 0
        let resentPlayList = recentPlayListData.allData.slice(0, 10).map(item => {
            item.id = index++
            return item
        })
        this.setData({
            resentPlayList
        })
    },
    handleTouchStart(event) {
        this.setData({
            coverTransition: ''
        })
        //获取第一个手指起始坐标
        startY = event.touches[0].clientY;
    },
    handleTouchMove(event) {
        moveY = event.touches[0].clientY;
        moveDistance = moveY - startY
        if (moveDistance <= 0 || moveDistance >= 80) return   
        this.setData({
            coverTransform: `translateY(${moveDistance}rpx)`
        })
    },
    handleTouchEnd() {
        this.setData({
            coverTransform: 'translateY(0rpx)',
            coverTransition: 'transform 1s linear'
        })
    },
    toLogin() {
        wx.navigateTo({
          url: '/pages/login/login',
        })
    },
    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady: function () {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow: function () {

    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide: function () {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload: function () {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh: function () {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom: function () {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage: function () {

    }
})